CN204534129U - A kind of device of anti-frozen block - Google Patents
A kind of device of anti-frozen block Download PDFInfo
- Publication number
- CN204534129U CN204534129U CN201520040003.8U CN201520040003U CN204534129U CN 204534129 U CN204534129 U CN 204534129U CN 201520040003 U CN201520040003 U CN 201520040003U CN 204534129 U CN204534129 U CN 204534129U
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- Prior art keywords
- water nozzle
- throttle valve
- nozzle assembly
- valve
- short circuit
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- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 31
- 239000003921 oil Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 239000003112 inhibitor Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses a kind of device of anti-frozen block, described device comprises: throttle valve, and one end of described throttle valve is connected with one end of gas well mouth, for reducing described well head pressure; The other end of described throttle valve is connected with the first end of threeway short circuit; Threeway short circuit, the second end of described threeway short circuit is connected with one end of water nozzle assembly; 3rd end of described threeway short circuit is connected with gathering line; Water nozzle assembly, the side of described water nozzle assembly is connected with the hot water mixing pipeline of companion; Wherein, by described water nozzle assembly by the ducted heat water-spraying of hot for described companion water mixing in described throttle valve outlet port, avoid oil gas water when described throttle valve, to produce hydrate, throttle valve described in frozen block; So, do not need external heat equipment can prevent throttle valve frozen block, simple to operate, cost is low, and efficiency is high.
Description
Technical field
The utility model belongs to Oil & Gas Storage technical field, particularly relates to a kind of device of anti-frozen block.
Background technique
Gas hydrates are loose crystalline compounds that lighter hydrocarbon and water are formed, it is the class ice-like solid compounds that Small molecular in rock gas and water molecule are formed, when saturated gas is in sufficiently high pressure and enough low temperature, hydrate will be formed.
In Oil & Gas Storage technical field, the well head pressure of gas well is higher, after recovery process needs, by one or more levels well head expenditure and pressure device, pressure is reduced to appropriateness, then by surface gathering and transferring pipeline, oil gas water collection is passed to processing station and is further processed.But, when the oil gas water of output in well is through expenditure and pressure device meeting expansion absorption amount of heat, causes gas hydrate synthesis, cause described expenditure and pressure device frozen block.
At present, in the prior art, be generally heat temperature raising by well head, or by preventing expenditure and pressure device frozen block at well head injecting inhibitor, but these two kinds of methods all need to provide complicated external equipment, and cause cost of investment high, economic benefit is low.
Model utility content
For prior art Problems existing, the utility model embodiment provides a kind of device of anti-frozen block, for solving the technical problem of the expenditure and pressure device frozen block of gas well mouth in prior art.
The utility model discloses a kind of device of anti-frozen block, described device comprises:
Throttle valve, one end of described throttle valve is connected with one end of gas well mouth, for reducing described well head pressure; The other end of described throttle valve is connected with the first end of threeway short circuit;
Threeway short circuit, the second end of described threeway short circuit is connected with one end of water nozzle assembly; 3rd end of described threeway short circuit is connected with gathering line;
Water nozzle assembly, the side of described water nozzle assembly is connected with the hot water mixing pipeline of companion; Wherein, by described water nozzle assembly by the ducted heat water-spraying of hot for described companion water mixing in described throttle valve outlet port, avoid oil gas water when described throttle valve, to produce hydrate, throttle valve described in frozen block.
In such scheme, described device also comprises:
Temperature measuring set, described temperature measuring set is arranged on described gathering line, for detecting the temperature of oil gas in described gathering line.
In such scheme, described device also comprises:
Pressure gauge, described pressure gauge is arranged on the other end of described well head, for detecting described well head pressure.
In such scheme, described device also comprises: valve; Wherein, the 3rd end of described threeway short circuit is connected with gathering line by described valve.
In such scheme, described water nozzle assembly comprises:
First opening, described first opening is arranged on one end of described water nozzle assembly;
Plug, described plug is arranged on the other end of described water nozzle assembly;
Water nozzle seat, described water nozzle seat is arranged between described first opening and described plug;
Water nozzle, described water nozzle is arranged on described water nozzle seat;
Second opening, described second opening is arranged on the side of described water nozzle assembly.
In such scheme, described throttle valve comprises:
Bearing support, described bearing support is arranged on one end of described throttle valve;
Valve gap, one end of described bearing support is connected with one end of valve gap;
Valve stem packing, described valve stem packing is arranged between described bearing support and described valve gap;
Valve plate, one end of described valve plate is connected with the other end of described valve gap;
Spool, one end of described spool is connected with the other end of described valve plate, and the other end of described spool is connected with valve seat.
In such scheme, the second end of described threeway short circuit is connected with described water nozzle assembly by flange, screw thread or slips.
The utility model provides a kind of device of anti-frozen block, and described device comprises: throttle valve, and one end of described throttle valve is connected with one end of gas well mouth, for reducing described well head pressure; The other end of described throttle valve is connected with the first end of threeway short circuit; Threeway short circuit, the second end of described threeway short circuit is connected with one end of water nozzle assembly; 3rd end of described threeway short circuit is connected with gathering line; Water nozzle assembly, the side of described water nozzle assembly is connected with the hot water mixing pipeline of companion; Wherein, by described water nozzle assembly by the ducted heat water-spraying of hot for described companion water mixing in described throttle valve outlet port, avoid oil gas water when described throttle valve, to produce hydrate, throttle valve described in frozen block; So, do not need external heat equipment can prevent throttle valve frozen block, such as hyperbaric heating stove, gas-liquid separator, natural gas dryer, filter, inhibitor injection device and separation recycling equipment etc.And can production requirement be met through one-level decompression, do not need multi-step pressure reduction, process matched therewith is simple, easy to operate, cost is low, high financial profit.
Accompanying drawing explanation
The antifreeze block apparatus overall structure schematic diagram of Fig. 1 for providing in prior art;
The antifreeze block apparatus overall structure schematic diagram that Fig. 2 provides for the utility model embodiment;
The structural representation of the throttle valve that Fig. 3 provides for the utility model embodiment;
The structural representation of the water nozzle assembly that Fig. 4 provides for the utility model embodiment.
Description of reference numerals:
11-hyperbaric heating stove; 12-air pressure regulator; 13-natural gas dryer; 14-gas-liquid separator; 15-emptying cylinder; 21-throttle valve; 22-gas well mouth; 23-threeway short circuit; 24-water nozzle assembly; 25-gathering line; 26-accompanies hot water mixing pipeline; 27-temperature measuring set; 28-pressure gauge; 29-valve; 31-bearing support; 32-valve gap; 33-valve stem packing; 34-valve plate; 35-spool; 36-valve seat; 37-valve body; 41-first opening; 42-plug; 43-water nozzle seat; 44-water nozzle; 45-second opening.
Embodiment
In order to content of the present utility model can be understood better, first introduce herein in prior art and prevent expenditure and pressure device frozen block side ratio juris.At present, usually take heating temperature raising method and note inhibitor method to prevent gas hydrate synthesis in gas gathering and transportation system, and then prevent expenditure and pressure device frozen block.
Wherein, as shown in Figure 1, described heating temperature raising method is mainly in well head heating temperature raising, the method needs supporting equipment to comprise: the equipment such as hyperbaric heating stove 11, air pressure regulator 12, natural gas dryer 13, gas-liquid separator 14, the follow-up emptying cylinder 15 that also needs carries out emptying flow process, to avoid gas hydrate synthesis and wax deposition problem.But these occupation area of equipment are large, it is high to invest, operation energy consumption is high, efficiency is lower.
The inhibitor of injection, mainly at well head injecting inhibitor, after the gas-liquid after injecting inhibitor is transported to multi-purpose station, by Separation process arrangements, is separated recovery and reuse by described note inhibitor method.When there being condensate to exist in oil gas, inhibitor is difficult with being separated of condensate, causes the recovery utilization rate of described inhibitor low, less economical.And described inhibitor method needs the injection device arranging inhibitor at well head, and described injection device is strong to the dependence of electricity, concentrates injection method if adopted, also need to configure the high pressure line between well head to multi-purpose station, cause investment high.Although described injection suppression method overcomes the major defect of heating temperature raising method, can not solve and analyse wax problem.
And in oil field gathering and transportation technique, modal is the hot water mixing technique of two-tube companion, particularly and viscous crude field solidifying at height, almost every mouthful of oil well is all equipped with a gathering line and a hot water mixing pipeline of companion.Usually, accompany hot water mixing pipeline to accompany hot water mixing from multi-purpose station conveying high temperature, at wellhead back pressure gate, hot water is mixed gathering line, after mixing with well head output object, be delivered to multi-purpose station along gathering line.As long as the temperature of gathering line end point, higher than five degree, the solidifying point of medium crude oil, can ensure that gathering line can not frozen block.
Based on this, the utility model provides a kind of device of anti-frozen block, and described device comprises: throttle valve, and one end of described throttle valve is connected with one end of gas well mouth, for reducing described well head pressure; The other end of described throttle valve is connected with the first end of threeway short circuit; Threeway short circuit, the second end of described threeway short circuit is connected with one end of water nozzle assembly; 3rd end of described threeway short circuit is connected with gathering line; Water nozzle assembly, the side of described water nozzle assembly is connected with the hot water mixing pipeline of companion; Wherein, by described water nozzle assembly by the ducted heat water-spraying of hot for described companion water mixing in described throttle valve outlet port, avoid oil gas water when described throttle valve, to produce hydrate, throttle valve described in frozen block.
Below by drawings and the specific embodiments, the technical solution of the utility model is described in further detail.
Embodiment one
The present embodiment provides a kind of device of anti-frozen block, and as shown in Figure 2, described device comprises: throttle valve 21, gas well mouth 22, threeway short circuit 23, water nozzle assembly 24, gathering line 25 and accompany hot water mixing pipeline 26; Wherein,
One end of described throttle valve 21 is connected with one end of described gas well mouth 22, for reducing the pressure of described well head 22; The other end of described throttle valve 21 is connected with the first end of threeway short circuit 23; Second end of described threeway short circuit 23 is connected with one end of water nozzle assembly 24 by flange, screw thread or slips; 3rd end of described threeway short circuit 23 is connected with gathering line 25; Described gathering line 25 for by oil-gas transportation to multi-purpose station.
The side of described water nozzle assembly 24 is connected with the hot water mixing pipeline 26 of companion; Described water nozzle assembly 24 for by the heat water-spraying in hot for described companion water mixing pipeline 26 in described throttle valve 21 outlet port, oil gas is heated up, avoids oil gas water to produce hydrate when described throttle valve 21, throttle valve 21 described in frozen block.Described oil gas after intensification is delivered to multi-purpose station along gathering line 25, and the temperature of described gathering line 25 end point is higher than crude oil solidifying point 5 degree.
Particularly, described device also comprises: temperature measuring set 27, pressure gauge 28; Wherein,
Described temperature measuring set 27 is arranged on described gathering line 25, for detecting the temperature of oil gas in described gathering line 25.Described pressure gauge 28 is arranged on the other end of described well head 22, for detecting the pressure of described well head 22, ensures production safety.
Described device also comprises: valve 29; Wherein, the 3rd end of described threeway short circuit 23 is connected with gathering line 25 by described valve 29.
Here, as shown in Figure 3, described throttle valve 21 comprises: bearing support 31, valve gap 32, valve stem packing 33, valve plate 34, spool 35, valve seat 36 and valve body 37; Wherein,
Described bearing support 31 is arranged on one end of described throttle valve 21; One end of described bearing support 31 is connected with one end of valve gap 32; Described valve stem packing 33 is arranged between described bearing support 31 and described valve gap 32; One end of described valve plate 34 is connected with the other end of described valve gap 32; One end of described spool 35 is connected with the other end of described valve plate 34, and the other end of described spool 35 is connected with valve seat 36.
Wherein, described throttle valve 21 is standard throttle valve, for reducing well head pressure.
Here, as shown in Figure 4, described water nozzle assembly 24 comprises: the first opening 41, plug 42, water nozzle seat 43, water nozzle 44 and the second opening 45; Wherein,
Described first opening 41 is arranged on the side of described water nozzle assembly 24, is specially high-temperature water import, for inputting the high-temperature water of accompanying hot water mixing pipeline 25;
Described plug 42 is arranged on one end of described water nozzle assembly 24; Described water nozzle seat 43 is arranged between described first opening 41 and described plug 42; Described water nozzle 44 is arranged on described water nozzle seat 43;
Described second opening 45 is arranged on the other end of described water nozzle assembly 24, and described second opening 45 is specially high-temperature water outlet, for spraying high-temperature water in the outlet port of throttle valve 21.
Here, the size of described water nozzle 44 can be determined according to the temperature of oil gas after the amplitude of expenditure and pressure and decompression, to meet the intensification demand under different condition.
The antifreeze block apparatus structure that the present embodiment provides is simple, without the need to providing complicated external equipment, reduces cost of production; And only need the once decompression of throttle valve 21 to meet production requirement, and without the need to multi-step pressure reduction, easy to operate, improve manufacturing efficiency.
Embodiment two
In practical application, the anti-icer utilizing the utility model to provide in multiple field use, Be very effective.Such as, oil pressure, the casing pressure of certain gas well are 20Mpa, daily output tolerance 50,000 side, daily output condensate 4.1 tons, the specification of gathering line (caliber * wall thickness) is φ 89*5, the pressure 2.5Mpa of gathering line, the specification of accompanying hot water mixing pipeline is φ 48*4, accompanies the pressure of hot water mixing pipeline to be 4.0Mpa.
The hot water mixing water nozzle assembly 24 of companion is arranged on the outlet port of throttle valve 21, the diameter of water nozzle 44 is 5mm, by multi-purpose station through accompanying hot water mixing pipeline 25 to transport about 65 DEG C, 1.2Mpa high temperature water mixing through water nozzle 44 directly spray to the outlet of throttle valve 21, the pressure of gas mixture after throttle valve expenditure and pressure is 0.68Mpa, gas mixture temperature 18.5 DEG C, gathering line temperature end point 15 DEG C, gas well can normally be produced.
The above; be only preferred embodiment of the present utility model; be not intended to limit protection domain of the present utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a device for anti-frozen block, is characterized in that, described device comprises:
Throttle valve, one end of described throttle valve is connected with one end of gas well mouth, for reducing described well head pressure; The other end of described throttle valve is connected with the first end of threeway short circuit;
Threeway short circuit, the second end of described threeway short circuit is connected with one end of water nozzle assembly; 3rd end of described threeway short circuit is connected with gathering line;
Water nozzle assembly, the side of described water nozzle assembly is connected with the hot water mixing pipeline of companion; Wherein,
By described water nozzle assembly by the ducted heat water-spraying of hot for described companion water mixing in described throttle valve outlet port, avoid oil gas water when described throttle valve, to produce hydrate, throttle valve described in frozen block.
2. device as claimed in claim 1, it is characterized in that, described device also comprises:
Temperature measuring set, described temperature measuring set is arranged on described gathering line, for detecting the temperature of oil gas in described gathering line.
3. device as claimed in claim 1, it is characterized in that, described device also comprises:
Pressure gauge, described pressure gauge is arranged on the other end of described well head, for detecting described well head pressure.
4. device as claimed in claim 1, it is characterized in that, described device also comprises: valve; Wherein, the 3rd end of described threeway short circuit is connected with gathering line by described valve.
5. device as claimed in claim 1, it is characterized in that, described water nozzle assembly comprises:
First opening, described first opening is arranged on one end of described water nozzle assembly;
Plug, described plug is arranged on the other end of described water nozzle assembly;
Water nozzle seat, described water nozzle seat is arranged between described first opening and described plug;
Water nozzle, described water nozzle is arranged on described water nozzle seat;
Second opening, described second opening is arranged on the side of described water nozzle assembly.
6. device as claimed in claim 1, it is characterized in that, described throttle valve comprises:
Bearing support, described bearing support is arranged on one end of described throttle valve;
Valve gap, one end of described bearing support is connected with one end of valve gap;
Valve stem packing, described valve stem packing is arranged between described bearing support and described valve gap;
Valve plate, one end of described valve plate is connected with the other end of described valve gap;
Spool, one end of described spool is connected with the other end of described valve plate, and the other end of described spool is connected with valve seat.
7. device as claimed in claim 1, is characterized in that, the second end of described threeway short circuit is connected with described water nozzle assembly by flange, screw thread or slips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040003.8U CN204534129U (en) | 2015-01-20 | 2015-01-20 | A kind of device of anti-frozen block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040003.8U CN204534129U (en) | 2015-01-20 | 2015-01-20 | A kind of device of anti-frozen block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204534129U true CN204534129U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520040003.8U Expired - Fee Related CN204534129U (en) | 2015-01-20 | 2015-01-20 | A kind of device of anti-frozen block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204534129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595720A (en) * | 2015-01-20 | 2015-05-06 | 中国石油天然气股份有限公司 | Freezing blockage preventing device |
| CN105387346A (en) * | 2015-10-23 | 2016-03-09 | 辽宁科技大学 | Self-circulation gas anti-freezing house-service device |
| CN111720094A (en) * | 2020-07-02 | 2020-09-29 | 中国石油天然气股份有限公司 | Gas-collecting gas well remote switch valve core, equipment and use method thereof |
-
2015
- 2015-01-20 CN CN201520040003.8U patent/CN204534129U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595720A (en) * | 2015-01-20 | 2015-05-06 | 中国石油天然气股份有限公司 | Freezing blockage preventing device |
| CN105387346A (en) * | 2015-10-23 | 2016-03-09 | 辽宁科技大学 | Self-circulation gas anti-freezing house-service device |
| CN111720094A (en) * | 2020-07-02 | 2020-09-29 | 中国石油天然气股份有限公司 | Gas-collecting gas well remote switch valve core, equipment and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |